episodes originally recorded as mp3 audio files for RiffTrax and then later riffed as Live! presentation (please note that anything vice-versa isn't listed here as that was made available after the fact as opposed to being an experiment that was revisited). Examples of these include: Birdemic, The Room, Santa and the Ice Cream Bunny)

episodes riffed in a loose spin-off of the MST3k formula and later taken on by MST3k itself or it's other versions (CT, RiffTrax, Film Crew, etc.) (The Wasp Woman)